GU Chun-Wei, DU Wei, WANG Wei, MIN Rui, MENG Wen-bo. Influence analysis of down-hole equipment over alternate stress[J]. Oil Drilling & Production Technology, 2007, 29(6): 110-112. DOI: 10.3969/j.issn.1000-7393.2007.06.035
Citation: GU Chun-Wei, DU Wei, WANG Wei, MIN Rui, MENG Wen-bo. Influence analysis of down-hole equipment over alternate stress[J]. Oil Drilling & Production Technology, 2007, 29(6): 110-112. DOI: 10.3969/j.issn.1000-7393.2007.06.035
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Influence analysis of down-hole equipment over alternate stress

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  • Down hole equipment was employed frequently and influenced by well course and hydraulics.So its intensity was severe challenged.In order to meet the need of drilling,the equipment has be stand axial stress,radial stress,twisting force and so on.This will reduce the life span of down-hole equipment and intensify its damage greatly.Therefore,it is necessary to analyze the alternate stress for directing field practice better.
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